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1.
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Low-spin states in $^{80}$Ge populated in the $\beta$ decay of the $^{80}$Ga $3^-$ isomer
/ Sekal, S (Algiers U. Sci. Tech. ; CERN) ; Fraile, L M (Madrid U.) ; Lică, R (CERN ; Bucharest, IFIN-HH) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Walters, W B (Maryland U., Dept. Chem.) ; Aprahamian, A (Notre Dame U.) ; Benchouk, C (Algiers U. Sci. Tech.) ; Bernards, C (Yale U. (main) ; Cologne U.) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Bucher, B (Idaho Natl. Lab.) et al.
The structure of
$^{80}$Ge has been investigated at the ISOLDE facility at CERN. A previous study reported for the first time a low-lying $0^+_2$ intruder state at 639 keV, based on the coincidence with a previously unobserved 1764-keV $γ$ ray, and suggested it as evidence for shape coexistence in $^{80}$Ge. [...]
2021 - 12 p.
- Published in : Phys. Rev. C 104 (2021) 024317
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2.
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Search for the $^{73}\mathrm{Ga}$ ground-state doublet splitting in the $\beta$ decay of $^{73}\mathrm{Zn}$
/ Vedia, V (UCM, Madrid, Dept. Phys.) ; Paziy, V (UCM, Madrid, Dept. Phys.) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Mach, H (UCM, Madrid, Dept. Phys. ; NCBJ, Swierk) ; Walters, W B (Maryland U., Dept. Chem.) ; Aprahamian, A (Notre Dame U.) ; Bernards, C (Cologne U. ; Yale U. (main)) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Bucher, B (Notre Dame U. ; LLNL, Livermore) ; Chiara, C J (Maryland U., Dept. Chem. ; Argonne, PHY) et al.
The existence of two close-lying nuclear states in $^{73}$Ga has recently been experimentally determined: a 1/2$^−$ spin-parity for the ground state was measured in a laser spectroscopy experiment, while a J$^{\pi} = 3/2^−$ level was observed in transfer reactions. This scenario is supported by Coulomb excitation studies, which set a limit for the energy splitting of 0.8 keV. [...]
2017 - 13 p.
- Published in : Phys. Rev. C 96 (2017) 034311
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3.
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Search for shape-coexisting 0$^+$ states in $^{66}$Ni from lifetime measurements
/ Olaizola, B (UCM, Madrid, Dept. Phys.) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Mach, H (UCM, Madrid, Dept. Phys. ; NCBJ, Warsaw) ; Poves, A (Madrid, Autonoma U.) ; Nowacki, F (Strasbourg, IPHC) ; Aprahamian, A (Notre Dame U.) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Cal-González, J (UCM, Madrid, Dept. Phys.) ; Ghiţa, D (Bucharest, IFIN-HH) ; Köster, U (Laue-Langevin Inst.) et al.
The lifetime of the 0$_3^+$ state in $^{66}$Ni, two neutrons below the $N=40$ subshell gap, has been measured. The transition $B(E2;0_3^+ \rightarrow 2_1^+)$ is one of the most hindered E2 transitions in the Ni isotopic chain and it implies that, unlike $^{68}$Ni, there is a spherical structure at low excitation energy. [...]
2017 - 6 p.
- Published in : Phys. Rev. C 95 (2017) 061303
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4.
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Lifetimes and shape-coexisting states of $^{99}Zr$
/ Spagnoletti, P (West Scotland U.) ; Simpson, G (LPSC, Grenoble) ; Kisyov, S (Bucharest, IFIN-HH) ; Bucurescu, D (Bucharest, IFIN-HH) ; Régis, J M (Cologne U.) ; Saed-Samii, N (Cologne U.) ; Blanc, A (Laue-Langevin Inst.) ; Jentschel, M (Laue-Langevin Inst.) ; Köster, U (Laue-Langevin Inst.) ; Mutti, P (Laue-Langevin Inst.) et al.
Lifetimes of intermediate-spin states in two rotational bands of $^{99}Zr$ have been measured. These states were populated following the neutron-induced fission of $^{235}U$ at the PF1B beamline of the Institut Laue-Langevin, Grenoble, during the EXILL-FATIMA campaign. [...]
2019 - 11 p.
- Published in : Phys. Rev. C 100 (2019) 014311
Article from SCOAP3: PDF;
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5.
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Beta decay of $^{66}$Mn to the $N = 40$ nucleus $^{66}$Fe
/ Olaizola, B (UCM, Madrid, Dept. Phys.) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Mach, H (UCM, Madrid, Dept. Phys. ; NCBJ, Swierk) ; Poves, A (Madrid, Autonoma U. ; Madrid, IFT) ; Aprahamian, A (Notre Dame U.) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Cal-González, J (UCM, Madrid, Dept. Phys.) ; Ghiţa, D (Bucharest, IFIN-HH) ; Köster, U (Laue-Langevin Inst.) ; Kurcewicz, W (Warsaw U.) et al.
The low energy structure of 66Fe was studied by means of γ- and fast-timing spectroscopy at the ISOLDE/CERN facility. The level scheme of 66Fe populated following the decay of 66Mn was established. [...]
2017 - 19 p.
- Published in : J. Phys. G 44 (2017) 125103
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6.
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Properties of low-lying intruder states in 34Aland 34Sipopulated in the beta-decay of 34Mg
/ Lică, R (CERN) ; Rotaru, F ; Negoită, F ; Grévy, S ; Mărginean, N ; Desagne, Ph ; Stora, T (CERN) ; Borcea, C ; Borcea, R ; Călinescu, S et al.
The results of the IS530 experiment at ISOLDE revealed new information concerning several nuclei close to the N ≈ 20 'Island of Inversion' - 34Mg, 34Al, 34Si. The half-life of 34Mgwas found to be three times larger than the adopted value (63(1) ms instead of 20(10) ms). [...]
2015 - 4 p.
- Published in : AIP Conf. Proc. 1645 (2015) 363-366
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7.
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Fast-timing study in the 78Ni region: $\beta$-Decay of 81Zn
/ Paziy, V (Madrid U.) ; Mach, H (Madrid U. ; Warsaw, Inst. Nucl. Studies) ; Fraile, L M (Madrid U.) ; Aprahamian, A (Notre Dame U.) ; Bernards, C (Yale U. ; Cologne U.) ; Briz, J A (Madrid U.) ; Bucher, B (Notre Dame U.) ; Chiara, C J (Argonne, PHY ; Maryland U., Dept. Chem.) ; Dlouhý, Z (Rez, Nucl. Phys. Inst.) ; Gheorghe, I (Bucharest, IFIN-HH) et al.
The neutron-rich nucleus $^{81}$Ga was populated from the $\beta$-decay of $^{81}$Zn produced at the ISOLDE (CERN) facility. The analysis of $\beta$-gated $\gamma$-ray singles and $\gamma-\gamma$ coincidences permits to extend significantly the level scheme of $^{81}$Ga as well as to provide a new half-life for $^{81}$Zn. [...]
2015 - 4 p.
- Published in : JPS Conf. Proc. 6 (2015) 030009
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.030009
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8.
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Fast timing study of the $\beta$−Decay of $^{63}$Mn to $^{63}$Fe
/ Olaizola, B (Madrid U.) ; Fraile, L M (Madrid U.) ; Mach, H (Madrid U. ; Warsaw, Inst. Nucl. Studies) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Cal-González, J (Madrid U.) ; Ghita, D (Bucharest, IFIN-HH) ; Köster, U (Laue-Langevin Inst.) ; Kurcewicz, W (Warsaw U.) ; Lesher, S R (Notre Dame U. ; Wisconsin U., La Crosse) ; Pauwels, D (Leuven U.) et al.
The $\beta^−$ decay of $^{63}$Mn to $^{63}$Fe has been studied in an experiment at ISOLDE, CERN. The previously known $^{63}$Fe level scheme has been confirmed and greatly expanded, to a total of 31 levels and 73 $\gamma$ lines. [...]
2015 - 4 p.
- Published in : JPS Conf. Proc. 6 (2015) 030006
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.030006
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9.
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Attempts to infer the neutron inelastic cross sections using charged particle induced reactions
/ Negret, A (Bucharest, IFIN-HH) ; Bacquias, A (Orsay, IPN) ; Borcea, C (Bucharest, IFIN-HH) ; Bucurescu, D (Bucharest, IFIN-HH) ; Deleanu, D (Bucharest, IFIN-HH) ; Dessagne, Ph (Orsay, IPN) ; Filipescu, D (Bucharest, IFIN-HH) ; Ghita, D (Bucharest, IFIN-HH) ; Glodariu, T (Bucharest, IFIN-HH) ; Kerveno, M (Orsay, IPN) et al.
Two experiments were performed at the Tandem accelerator of the Horia Hulubei National Institute for Physics and Nuclear Engineering, IFIN-HH with the purpose to investigate the possibility to use alpha-induced reactions for the calculation of neutron inelastic cross sections based on the Bohr hypothesis of the compound nucleus. A first experiment compared the gamma production cross sections excited in the $^{25}$Mg($\alpha, n\gamma$ )$^{28}$Si and the $^{28}Si(n, n′\gamma)^{28}$Si reactions. [...]
2014
Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.73-78
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10.
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Study of octupole deformation in n-rich Ba isotopes populated via $\beta$- decay
/ Benzoni, G (INFN sezione di Milano, Milano, Italy) ; Marginean , N (IFIN-HH, Bucharest, Romania) ; Mach , H (National Centre for Nuclear Research, NCBJ, Otwock, Poland) ; Bracco, A (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Leoni, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Morales-Lopez, A (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Avigo, R (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Blasi, N (INFN sezione di Milano, Milano, Italy) ; Bottoni, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Ceruti, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) et al.
CERN-INTC-2013-030 ; INTC-P-390.
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2013.
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